Finding the Fourth Proportional to 378,347.55, 521,824.37 and 242,394.14
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Solution
The fourth proportional to 378,347.55, 521,824.37 and 242,394.14 is: 334,314.75
Step by Step Solution
- Step 1: Write the proportion equation
378,347.55 : 521,824.37 = 242,394.14 : x - Step 2: Convert to fraction form
378,347.55/521,824.37 = 242,394.14/x - Step 3: Cross multiply
378,347.55x = 521,824.37 × 242,394.14 - Step 4: Simplify right side
378,347.55x = 126,487,165,576.10 - Step 5: Solve for x
x = 126,487,165,576.10/378,347.55 - Step 6: Final answer
x = 334,314.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.